Use this template to compare the combat power of One-Punch Man characters, from overwhelming heroes and monsters to skilled fighters with specialized abilities. Consider each character’s strongest shown form, reliable feats, matchup advantages, battle consistency, and performance against significant opponents. You can rank by overall strength or focus on a specific version, arc, or interpretation.
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1
Saitama
A hobby hero who gained overwhelming power through three years of training, Saitama contrasts an ordinary lifestyle with extraordinary combat strength. His defining ranking consideration is that conventional hero categories do not adequately describe his power. Treat him as the template’s exceptional benchmark rather than assuming official position or public recognition measures fighting ability.
Official source
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2
Boros
Boros combines tremendous physical power with regeneration that lets him recover from devastating injuries. His Meteoric Burst form raises his offensive output dramatically, exemplified by kicking Saitama to the Moon. For ranking, distinguish explosive peak strength from sustained endurance: his regeneration depends on remaining energy, and exhausting that reserve leaves him unable to recover.
Official source
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3
Garou
Garou is Silver Fang’s former disciple, a hero hunter whose exceptional combat instincts support his ambition to become the strongest monster. His technique can overcome opponents with greater straightforward physical power, as demonstrated against Tanktop Master. Rank a clearly specified stage of Garou rather than treating every appearance as identical; martial skill is central to his threat.
Official source
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4
Tatsumaki
Tatsumaki is an esper whose small stature conceals immense power, making her one of the Hero Association’s strongest active assets. Her psychic strength can reverse an enemy bombardment rather than merely withstand it. For ranking, prioritize ranged control and the scale of attacks she can manipulate instead of comparing her physique with close-combat specialists.
Official source
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5
Superalloy Darkshine
Superalloy Darkshine is a muscle-focused S-Class hero whose defining advantages are overwhelming physical strength and exceptionally tough bodily defenses. His trained muscles function like armor, making him a useful benchmark for ranking close-range power and resistance to direct attacks. For this tier list, weigh those strengths separately from sword technique, ranged firepower, or psychic versatility.
Official source
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6
Genos
Genos is Saitama’s earnest cyborg disciple, combining incineration cannons with mechanically enhanced close combat. His destructive ranged attacks give him a different ranking profile from purely physical fighters, but his capabilities change with equipment upgrades. Compare a specified anime configuration rather than combining every version’s best performance; high attack output should not automatically imply equally strong durability.
Official source
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7
Atomic Samurai
Atomic Samurai is an S-Class swordsman and the mentor of Iaian, Okamaitachi, and Bushidrill. His combat identity centers on exceptionally rapid, precise sword strikes rather than heavy punches or energy weapons. When ranking him, prioritize cutting effectiveness and attack execution, while considering whether the opponent can survive being sliced or makes conventional sword damage ineffective.
Official source
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8
Sweet Mask
Sweet Mask combines a polished celebrity image with uncompromising expectations of hero strength and conduct. He occupies A-Class rank one by choice, restricting advancement by heroes he considers unworthy, so his class label alone is a poor power-ranking shortcut. For an anime-focused list, judge demonstrated combat performance separately from popularity, institutional influence, and revelations exclusive to other versions.
Official source
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9
Metal Knight
Metal Knight fights through remotely operated robots rather than exposing his own body. His missile-equipped machinery emphasizes ranged bombardment, engineering, and battlefield support. His attack on the incoming meteor failed to stop it, providing a useful limit on that machine's demonstrated firepower. For ranking, distinguish an individual deployed robot from his broader technological resources, whose full combat ceiling remains uncertain.
Official source
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10
Speed-o'-Sound Sonic
Speed-o'-Sound Sonic is a ninja whose main advantages are extreme movement speed, sword attacks, and explosive shuriken. His afterimage techniques can overwhelm an opponent's ability to track him, as demonstrated against Genos. Repeated defeats by Saitama should not erase his effectiveness against ordinary fighters. Rank him primarily on evasiveness and lethal precision rather than durability or large-scale destructive power.
Official source
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11
Metal Bat
Metal Bat is a close-range bruiser who combines powerful bat swings with exceptional toughness. His Fighting Spirit increases his physical capabilities as damage and anger accumulate, making his opening strength a poor measure of his later threat. His battle with Garou highlights that escalation. For ranking, separate his starting condition from a prolonged fight, without assuming his growth is limitless.
Official source
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12
Flashy Flash
Flashy Flash specializes in exceptionally fast movement, precise sword strikes, and ninja combat techniques. His attacks can be difficult even for other trained fighters to perceive, making speed and execution central to his strength. Unlike bombardment-focused heroes, he concentrates damage through rapid close-range attacks. For ranking, prioritize reaction speed, accuracy, and finishing ability rather than judging him by the size of explosions.
Official source
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13
Hellish Blizzard
Hellish Blizzard, also known as Fubuki, is a psychic hero who leads the Blizzard Bunch and holds the top position in B-Class. Tatsumaki is her older sister. Her distinguishing strengths are psychic combat and organized teamwork. For ranking purposes, assess her individual abilities separately from her faction’s combined strength; leading B-Class does not establish parity with S-Class fighters.
Official source
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14
Mumen Rider
Mumen Rider is a bicycle-patrolling hero at the top of C-Class, distinguished by unwavering courage rather than special powers. His physical fighting ability is limited, but he confronts dangerous monsters to protect others. In a power ranking, place greater weight on his modest combat capability than his heroic resolve: determination and willingness to intervene are not equivalent to destructive strength.
Official source
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15
King
King’s fearsome S-Class reputation contrasts with his lack of demonstrated superhuman fighting abilities. Victories achieved by Saitama were mistakenly credited to him, while the intimidating King Engine is actually his pounding heartbeat. Separate direct combat power from psychological influence when ranking him: his reputation can frighten opponents into retreat, but it does not supply the physical strength attributed to him.
Official source